Destroyed city Challenge 1.2 (UPDATED)

UPDATE 1.1: ITS BECOME HARDER .I PUT NEW WEAPON AND FOOD IN CHEST
NEW GOAL : YOU NEED TO FIND THE SAFE HOUSE BECAUSE THE OTHER CITY IS BEEN DESTROYED BUT THE SAFE HOUSE IS IN THE OTHER CITY,......... I PUT A SIGN IN THE HOUSE THAT SAY SAFE HOUSE
GOODLUCK ITS BECOME HARDER THAN BEFORE

THEIR ARE MANY MOBS THAT WILL ATTACK U SO U NID TO BE CAREFULL
THE ONLY ITEM YOU WILL SEE IS THE ITEM I PUT IN THE CHEST IN THE ROOM
AND U NID TO FIND FOOD ON YOUR SELF ... I THINK THIS CHALLENGE IS HARDCORE
SO IF U REALLY GREAT IN SURVIVAL U NID TO SURVIVE IN THIS CHALLENGE
AND WIN AND REMEMBER THAT NORMAL OR HARD DIFFICULTY ONLY BUT THE MOST CHALLENGING
IS HARD DIFFICULTY... IF U CAN
P.S.
YOU CAN DO EVERYTHING U WANT IN THIS CHALLENGE WORLD LIKE CRAFTING DESTROYING BLOCKS AND IF U GET HUNGRY FIND SOME FOOD !!
HINT:IF U WANT MORE ITEM GO FIND THE VAULT AND TRY TO UNLOCK THE DOOR SO THAT U CAN GET MANY ITEM AS U CAN ^_^ FINDING THIS VAULT IS VERY HARD !

HELLO GUYS, I WILL MAKE THIS SURVIVAL THING BIGGER AND HARDER BUT YOU NEED TO MAKE THIS THING ABOUT 10 DIAMOND ^_^

UPDATE 1.1: ITS BECOME HARDER .I PUT NEW WEAPON AND FOOD IN CHEST
NEW GOAL : YOU NEED TO FIND THE SAFE HOUSE BECAUSE THE OTHER CITY IS BEEN DESTROYED BUT THE SAFE HOUSE IS IN THE OTHER CITY,......... I PUT A SIGN IN THE HOUSE THAT SAY SAFE HOUSE
GOODLUCK ITS BECOME HARDER THAN BEFORE

UPDATE 1.2: THE GAME BECOME HARDER AND BIGGER...
NEW GOAL :U NID TO FIND THE SAFE HOUSE WHERE HUMAN LIVES THERE , U WILL SEE THE SAFE HOUSE IN THE UPPER DISTRICT
STILL NO RULES IN THE GAME....
THE ONLY RULE IS THAT U NID TO FIND THE SAFEHOUSE
GOODLUCK IN FINDING THE SAFEHOUSE
LINK:http://www.mediafire.com/?550gvh6obn82dfz

IF SOMETHING WRONG COMMENT AND ILL CHANGE IT IN VERSION 1.3 THE LAST STAND IN THE CITY :D
Update
-Add more Spawners